summaryrefslogtreecommitdiffstats
path: root/src/multimedia/playback/qmediaplayer.h
blob: 1b761ce576c9cbb9dc5401ea1deb4cc5d9db2576 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMEDIAPLAYER_H
#define QMEDIAPLAYER_H

#include <QtMultimedia/qmediaserviceprovider.h>
#include <QtMultimedia/qmediaobject.h>
#include <QtMultimedia/qmediacontent.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)


class QMediaPlaylist;

class QMediaPlayerPrivate;
class Q_MULTIMEDIA_EXPORT QMediaPlayer : public QMediaObject
{
    Q_OBJECT
    Q_PROPERTY(QMediaContent media READ media WRITE setMedia NOTIFY mediaChanged)
    Q_PROPERTY(qint64 duration READ duration NOTIFY durationChanged)
    Q_PROPERTY(qint64 position READ position WRITE setPosition NOTIFY positionChanged)
    Q_PROPERTY(int volume READ volume WRITE setVolume NOTIFY volumeChanged)
    Q_PROPERTY(bool muted READ isMuted WRITE setMuted NOTIFY mutedChanged)
    Q_PROPERTY(int bufferStatus READ bufferStatus NOTIFY bufferStatusChanged)
    Q_PROPERTY(bool audioAvailable READ isAudioAvailable NOTIFY audioAvailableChanged)
    Q_PROPERTY(bool videoAvailable READ isVideoAvailable NOTIFY videoAvailableChanged)
    Q_PROPERTY(bool seekable READ isSeekable NOTIFY seekableChanged)
    Q_PROPERTY(qreal playbackRate READ playbackRate WRITE setPlaybackRate NOTIFY playbackRateChanged)
    Q_PROPERTY(State state READ state NOTIFY stateChanged)
    Q_PROPERTY(MediaStatus mediaStatus READ mediaStatus NOTIFY mediaStatusChanged)
    Q_PROPERTY(QString error READ errorString)
    Q_ENUMS(State)
    Q_ENUMS(MediaStatus)

public:
    enum State
    {
        StoppedState,
        PlayingState,
        PausedState
    };

    enum MediaStatus
    {
        UnknownMediaStatus,
        NoMedia,
        LoadingMedia,
        LoadedMedia,
        StalledMedia,
        BufferingMedia,
        BufferedMedia,
        EndOfMedia,
        InvalidMedia
    };

    enum Flag
    {
        LowLatency = 0x01
    };
    Q_DECLARE_FLAGS(Flags, Flag)

    enum Error
    {
        NoError,
        ResourceError,
        FormatError,
        NetworkError,
        AccessDeniedError,
        ServiceMissingError
    };

    QMediaPlayer(QObject *parent = 0, Flags flags = 0, QMediaServiceProvider *provider = QMediaServiceProvider::defaultServiceProvider());
    ~QMediaPlayer();

    static QtMultimedia::SupportEstimate hasSupport(const QString &mimeType,
                                            const QStringList& codecs = QStringList(),
                                            Flags flags = 0);
    static QStringList supportedMimeTypes(Flags flags = 0);

    QMediaContent media() const;
    const QIODevice *mediaStream() const;

    State state() const;
    MediaStatus mediaStatus() const;

    qint64 duration() const;
    qint64 position() const;

    int volume() const;
    bool isMuted() const;
    bool isAudioAvailable() const;
    bool isVideoAvailable() const;

    int bufferStatus() const;

    bool isSeekable() const;
    qreal playbackRate() const;

    Error error() const;
    QString errorString() const;

public Q_SLOTS:
    void play();
    void pause();
    void stop();

    void setPosition(qint64 position);
    void setVolume(int volume);
    void setMuted(bool muted);

    void setPlaybackRate(qreal rate);

    void setMedia(const QMediaContent &media, QIODevice *stream = 0);

Q_SIGNALS:
    void mediaChanged(const QMediaContent &media);

    void stateChanged(QMediaPlayer::State newState);
    void mediaStatusChanged(QMediaPlayer::MediaStatus status);

    void durationChanged(qint64 duration);
    void positionChanged(qint64 position);

    void volumeChanged(int volume);
    void mutedChanged(bool muted);
    void audioAvailableChanged(bool audioAvailable);
    void videoAvailableChanged(bool videoAvailable);

    void bufferStatusChanged(int percentFilled);

    void seekableChanged(bool seekable);
    void playbackRateChanged(qreal rate);

    void error(QMediaPlayer::Error error);

public:
    virtual void bind(QObject*);
    virtual void unbind(QObject*);

private:
    Q_DISABLE_COPY(QMediaPlayer)
    Q_DECLARE_PRIVATE(QMediaPlayer)
    Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QMediaPlayer::State))
    Q_PRIVATE_SLOT(d_func(), void _q_mediaStatusChanged(QMediaPlayer::MediaStatus))
    Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
    Q_PRIVATE_SLOT(d_func(), void _q_updateMedia(const QMediaContent&))
    Q_PRIVATE_SLOT(d_func(), void _q_playlistDestroyed())
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QMediaPlayer::State)
Q_DECLARE_METATYPE(QMediaPlayer::MediaStatus)
Q_DECLARE_METATYPE(QMediaPlayer::Error)

QT_END_HEADER

#endif  // QMEDIAPLAYER_H